The quantity in Column A is greater;
The quantity in Column B is greater;
The quantities are equal;
The relationship cannot be determined from the information given.
A
You can cancel out the term -2u from both columns, which leaves a comparison between
As you can see, Quantity A> Quantity B.
Quantity B is greater
I agree! B is greater ... A is 2x(X-1) and B 2x(2X-1)